package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

//全局异常处理
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {


    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        System.out.println("#######");
        log.error(ex.getMessage());
        //2022-11-29 14:52:50.121 ERROR 20256 --- [nio-8080-exec-5] c.i.r.common.GlobalExceptionHandler      : Duplicate entry 'mary' for key 'employee.idx_username'
        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return R.error(msg);
        }
        return R.error("未知错误");

    }


    //异常处理方法
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
